"ALUMINUM ALLOY QQ-A-267 2024-T4,ALTERNATE MATL ALUMINUM ALLOY QQ-A-268 2024-T4,ANODIZE PER SPEC MIL-A-8625 TYPE II,O/A FINISH 125.0 MICROINCHES,0.690 IN. MAX 0.670 IN. MIN LG,0.630 IN. MAX 0.620 IN. MIN HEX STOCK,3 HOLES FOR SAFETY WIRE,ONE END THREAD 0.375-24 UNF-3A PER SPEC MIL-S-7742"